Explanation

Slime molds are multinucleated; they have many nuclei in a shared cytoplasm (called a plasmodium).

This allows them to move and feed efficiently as one large cell.

Explanation

• Vitamin B9 is most commonly known as folic acid 
• The technical chemical name is pteroyl-L-glutamic acid

Last updated by NS on 20-April-2026

Explanation

Polyester is made from Polyethylene Terephthalate (PET), a synthetic polymer.

It is widely used in fabrics, plastic bottles, and packaging materials.

Explanation

Uranium is a non-renewable energy source used in nuclear power plants for generating electricity through nuclear fission.

It is finite and cannot be replenished on a human timescale, unlike renewable energy sources such as solar or biomass.

Explanation

The liver typically weighs between 1400 to 1600 grams in healthy adult individuals.

It is the largest internal organ.

It plays vital roles in metabolism and detoxification.

Explanation

Wheat contains about 348 calories per 100 grams and is a rich source of carbohydrates.

It is a staple food used in making bread, pasta, and other important dietary items.

Explanation

 When a ball is thrown vertically upwards, its velocity decreases as it rises due to gravity.

At the maximum height, the velocity becomes zero before it starts to fall back down.

Explanation

Soil erosion is primarily caused by the natural forces of water and wind, as well as human activities that disrupt the soil.

These factors can accelerate the process of topsoil removal, leading to land degradation and decreased fertility. 

Explanation

Silt is actually very useful for gardening, as its fine texture helps retain moisture and nutrients.

It is rich in minerals, making it suitable for plant growth, unlike the statement suggesting it isn't.

Explanation

The speed of sound in water is approximately 1500 m/s, which is slower than in most solid materials but faster than in air.

This speed can vary slightly depending on factors like temperature and salinity.